def _write_pb_for_create(document_path, document_data):
from google.cloud.firestore_v1.proto import common_pb2
from google.cloud.firestore_v1.proto import document_pb2
from google.cloud.firestore_v1.proto import write_pb2
from google.cloud.firestore_v1 import _helpers
return write_pb2.Write(
update=document_pb2.Document(
name=document_path,
fields=_helpers.encode_dict(document_data)),
current_document=common_pb2.Precondition(exists=False),
)
def get_transform_pb(self, document_path, exists=None):
def make_array_value(values):
value_list = [encode_value(element) for element in values]
return document_pb2.ArrayValue(values=value_list)
path_field_transforms = (
[
(
path,
write_pb2.DocumentTransform.FieldTransform(
field_path=path.to_api_repr(),
set_to_server_value=REQUEST_TIME_ENUM,
),
)
for path in self.server_timestamps
]
+ [
(
path,
write_pb2.DocumentTransform.FieldTransform(
field_path=path.to_api_repr(),
remove_all_from_array=make_array_value(values),
),
)
for path, values in self.array_removes.items()
]
+ [
(
path,
write_pb2.DocumentTransform.FieldTransform(
field_path=path.to_api_repr(),
append_missing_elements=make_array_value(values),
),
)
for path, values in self.array_unions.items()
]
)
field_transforms = [
transform for path, transform in sorted(path_field_transforms)
]
transform_pb = write_pb2.Write(
transform=write_pb2.DocumentTransform(
document=document_path, field_transforms=field_transforms
)
)
if exists is not None:
transform_pb.current_document.CopyFrom(
common_pb2.Precondition(exists=exists)
)
return transform_pb
def get_update_pb(self, document_path, exists=None, allow_empty_mask=False):
if exists is not None:
current_document = common_pb2.Precondition(exists=exists)
else:
current_document = None
update_pb = write_pb2.Write(
update=document_pb2.Document(
name=document_path, fields=encode_dict(self.set_fields)
),
update_mask=self._get_update_mask(allow_empty_mask),
current_document=current_document,
)
return update_pb
def pb_for_delete(document_path, option):
"""Make a ``Write`` protobuf for ``delete()`` methods.
Args:
document_path (str): A fully-qualified document path.
option (optional[:class:`~google.cloud.firestore_v1.client.WriteOption`]):
A write option to make assertions / preconditions on the server
state of the document before applying changes.
Returns:
google.cloud.firestore_v1.types.Write: A
``Write`` protobuf instance for the ``delete()``.
"""
write_pb = write_pb2.Write(delete=document_path)
if option is not None:
option.modify_write(write_pb)
return write_pb